Keyword Analysis & Research: who discovered smallpox vaccine

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
who discovered smallpox vaccine	0.72	0.9	3724	16	31
who	0.85	0.8	5729	36	3
discovered	1.22	0.8	6627	79	10
smallpox	1.63	0.8	5808	81	8
vaccine	1.18	1	7678	19	7

Keyword	CPC	PCC	Volume	Score
who discovered smallpox vaccine	1.85	0.9	1192	75
vaccine for smallpox is discovered by	0.8	0.5	4789	53
how edward jenner discovered smallpox vaccine	0.38	0.2	2167	94
who discovered the first vaccine for smallpox	0.89	0.8	59	10
how was the smallpox vaccine discovered	0.9	0.3	1461	15